An Su-33 similar to this was lost in an accident at sea on 5 December. It is the second time in the space of a few weeks that a problem with the arrestor gear has caused an aircraft operating from the Admiral Kuznetsov carrier to be lost. Source: Russian MoD

Santander, seen here in October 2016 under construction at COTECMAR's shipyard in Cartagena, is the third OPV-80 produced for the Colombian Navy and is based on a Fassmer design. Source: Erwan de Cherisey

Boeing announced on 6 December that it had entered into an agreement to acquire US unmanned surface vehicle (USV) company Liquid Robotics.
Details and timelines of the transaction were not disclosed.
Liquid Robotics has designed a wave- and solar-powered sea-skimming USV known as the Wave Glider.

On 9 December French defence minister Jean Yves Le Drian signed a defence co-operation agreement aimed at improving the sharing of classified information with Australia, according to a statement released by the country's Attorney-General George Brandis QC.
The agreement is designed to support the

Key Points
Ukraine set to commission first two of nine planned Gurza-M patrol craft
Navy is seeking to re-constitute its force in the wake of the 2014 Crimea crisis
The Ukrainian Navy commissioned two Project 58155 Gurza-M missile-capable riverine patrol boats on 6 December, following lengthy

Key Points
Sentient's ViDAR system is designed to meet a growing maritime surveillance requirement
Recent trials, including 'Unmanned Warrior 2016', have demonstrated the system's ability to support a range of tasks
Sentient Vision Systems' ViDAR (Visual Detection and Ranging) maritime

South Korean shipbuilder Hyundai Heavy Industries (HHI) launched on 29 November the first 23,000-ton combat support ship on order for the Republic of Korea Navy (RoKN) at the company's Ulsan dockyard, HHI said in a press release.
The vessel, which has been named Soyang , is to become the largest

FEATURED REPORT

With strategic shifts continuing to re-shape the global strategic balance, Professor Geoffrey Till considers how navies might respond to such shifts and the force structure choices and challenges they face as a result

The UK Royal Navy's recent 'Unmanned Warrior 2016' demonstration was conceived to investigate the potential offered by maritime autonomous systems, and to better understand how such systems might satisfy future capability requirements. Richard Scott finds out how far it succeeded

As the UK adjusts its defence posture in the aftermath of the withdrawal from Afghanistan, the country's armed forces are finding they are having to operate in new and unexpected ways. Tim Ripley reports

The US government has approved a package of transport and attack helicopters for the Middle East valued at USD7.01 billion.
Two separate sales to Saudi Arabia and the United Arab Emirates (UAE) worth USD3.51 billion and USD3.5 billion respectively were approved by the State Department on 8

Russia may upgrade parts of its T-72 and T-90 main battle tank (MBT) fleets with the automatic target tracker (ATT) and fire control computer (FCC) installed in the Armata T-14 MBT, which is now entering production at UralVagonZavod's Nizhny Tagil facility.
The installation of the ATT and the FCC